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Optimized XTEA not working. |
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Bobbyb30 Zohari
SL Mentor Coach
Join date: 11 Nov 2006
Posts: 466
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03-22-2008 05:51
The optimized XTEA script provided on the wiki doesn't work. Does anyone have the working optimized version. (Its a fairly complex script to debug).
The Decrypt portion is broken. Also, why hasn't anyone made an AES encryption implementation? http://wiki.secondlife.com/wiki/XTEA_Strong_Encryption_Implementation _____________________
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Bobbyb30 Zohari
SL Mentor Coach
Join date: 11 Nov 2006
Posts: 466
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03-22-2008 13:26
So I take it no one has the optimized XTEA script?
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Masakazu Kojima
ケロ
Join date: 23 Apr 2004
Posts: 232
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03-22-2008 21:35
Pretty sure it is just a sign extension bug. dword2 >> 5 needs to be ((dword2 >> 5) & 0x07FFFFFF). Looks like someone fixed it in the original but not the optimized version, so there may be other bugs in the optimized version too. Did you try the other implementation? http://forums.secondlife.com/showpost.php?p=1439701&postcount=26
Also your sig is longer than both of your posts combined. Much like the GPL is longer than both of those scripts combined. |
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Hewee Zetkin
Registered User
Join date: 20 Jul 2006
Posts: 2,702
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03-22-2008 21:59
Sounds like an interesting bit of statistical trivia to discover: how many works covered by the GPL (or ... other license) are actually longer than the license itself?
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